Explain if a triangle with the given lengths is a right triangle.

Question

1. 18, 24, 30
2. 7, 24, 25
3. 13, 14, 15
4. 8, 15, 17
5. 10,24, 25
6. 15, 36, 39

Are my answers correct? Thanks.
1. yes
2. yes
3. no because 19. 10497 cannot be a triangle. Also, 19.10497 is not equal to 15.
4. yes
5. no because 26 isn't equal to 25
6. yes

Answer 1

Great! All are correct!

Answer 2

thanks!!!!!!!

Answer 3

You're welcome.